public void WhenHashAlgorithmIsNotSupported_ThrowsNotSupportedException()
{
var sut = new RSASignatureAlgorithm(new HashAlgorithmName("unsupporteed"), _rsa);
Action act = () => sut.ComputeHash("payload");
act.Should().Throw <NotSupportedException>();
}
public RSASignatureAlgorithmTests()
{
_rsa = new RSACryptoServiceProvider();
_publicKeyParams = _rsa.ExportParameters(false);
_privateKeyParams = _rsa.ExportParameters(true);
_sut = new RSASignatureAlgorithm(HashAlgorithmName.SHA1, _publicKeyParams, _privateKeyParams);
}
public void CreatesHash()
{
var sut = new RSASignatureAlgorithm(HashAlgorithmName.SHA384, _rsa);
var payload = "_abc_123_";
var actual = sut.ComputeHash(payload);
actual.Should().NotBeNull().And.NotBeEmpty();
}
public RSASignatureAlgorithmTests()
{
_rsa = new RSACryptoServiceProvider();
_publicKeyParams = _rsa.ExportParameters(false);
_privateKeyParams = _rsa.ExportParameters(true);
_signer = RSASignatureAlgorithm.CreateForSigning(HashAlgorithmName.SHA1, _privateKeyParams);
_verifier = RSASignatureAlgorithm.CreateForVerification(HashAlgorithmName.SHA1, _publicKeyParams);
}
public void CanVerifyWithAlgorithmThatKnowsAboutThePrivateKey()
{
var payload = "_abc_123_";
var signature = _sut.ComputeHash(payload);
var verifier = new RSASignatureAlgorithm(HashAlgorithmName.SHA1, _rsa);
var actual = verifier.VerifySignature(payload, signature);
actual.Should().BeTrue();
}
public void CanVerifyWithAlgorithmThatOnlyKnowsAboutThePublicKey()
{
var payload = "_abc_123_";
var signature = _signer.ComputeHash(payload);
var verifier = RSASignatureAlgorithm.CreateForVerification(HashAlgorithmName.SHA1, _publicKeyParams);
var actual = verifier.VerifySignature(payload, signature);
actual.Should().BeTrue();
}
public static ISignatureAlgorithm CreateForSigning(RSAParameters privateParameters, HashAlgorithmName hashAlgorithm)
{
return(RSASignatureAlgorithm.CreateForSigning(hashAlgorithm, privateParameters));
}
public static ISignatureAlgorithm CreateForVerification(RSAParameters publicParameters, HashAlgorithmName hashAlgorithm)
{
return(RSASignatureAlgorithm.CreateForVerification(hashAlgorithm, publicParameters));
}
